Species details: Click on each item to see an explanation of that item (Note: opens a new window)

Rhizome creeping to semi-erect, up to 10 mm in diameter; rhizome scales brown, entire, linear, up to 8 mm long, margins paler.
Fronds tufted, erect, coriaceous.
Stipe dark brown, matt, up to 45 cm long, with a brown scales when young, later becoming glabrous, with scattered scales similar to the rhizome scales near the base.
Lamina narrowly oblong to lanceolate in outline, up to 70 cm × 23 cm, imparipinnate with a single pinna on the top resembling the lateral pinnae, lowest pinnae not or slightly reduced, up to 20 pairs of pinnae.
Ultimate segments narrowly ovate-lanceolate in outline, up to 10 cm × 2 cm, cordate base articulated to a short petiole, margins minutely crenulate to entire, glabrous on both surfaces, dark green above, paler below, veins free.
Rhachis, petiolules and costae similar to the stipe but with short stiff hairs on both surfaces.
Sori marginal, continuous; indusium entire, membranous, continuous.